This handles text paragraph direction of the given object. Even if the given object is not textblock or text, its smart child objects can inherit the paragraph direction from the given object. The default paragraph direction is inherit.

Main pointer button press was cancelled (button id is known). This can happen in rare cases when the window manager passes the focus to a more urgent window, for instance. You probably don't need to listen to this event, as it will be accompanied by an up event.